LEGAL PROCEEDINGS (Details) - Settled litigation - USD ($) $ in Thousands			1 Months Ended	3 Months Ended
	Oct. 08, 2015	May. 21, 2015	Aug. 31, 2015	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015
Qui Tam Action | Selling, general and administrative expenses
Loss Contingencies [Line Items]
Settlement, pre-tax (charge) credit					$ (28,500)
Qui Tam Action | Accrued liabilities
Loss Contingencies [Line Items]
Settlement, pre-tax accrual					28,500
Junk Fax Lawsuit
Loss Contingencies [Line Items]
Settlement, amount		$ 45,000
Settlement, pre-tax (charge) credit					$ 16,800
Period during which class members may submit valid claim form		90 days
Settlement payments			$ 15,200
Junk Fax Lawsuit | Scenario, Forecast
Loss Contingencies [Line Items]
Settlement payments				$ 13,000
Junk Fax Lawsuit | Selling, general and administrative expenses
Loss Contingencies [Line Items]
Settlement, pre-tax (charge) credit						$ (45,000)
Junk Fax Lawsuit | Accrued liabilities
Loss Contingencies [Line Items]
Settlement, pre-tax accrual						$ 45,000
Subsequent Event | Qui Tam Action, Government Entities
Loss Contingencies [Line Items]
Settlement, amount	$ 26,750
Subsequent Event | Qui Tam Action, Relator
Loss Contingencies [Line Items]
Settlement, amount	$ 1,750